The ghoulish fiends have arrived. Delve into the adventure now!

"Naxxramas is a floating necropolis, home to a host of undead bossesready to challenge worthy opponents eager to test their card-slinging mettle."

Do you dare venture forth, and challenge the accursed flesh waiting for you? Blizzard has unleashed the first wing of Curse of Naxxramas, the first expansion for Hearthstone. This unholy update features 30 new cards, a dozen boss battles, Class Challenges, new card backs and more!

Today's wing is 1 of 5, each representing a wing of the NaxxramasWoW raid. Another wing will be released every week starting today:

Arachnid Quarter (July 22)

Plague Quarter (July 29)

Military Quarter (August 5)

Construct Quarter (August 12)

Frostwyrm Lair (August 19)

The first wing is free for anyone who plays in the next month. Individual wings are 700 gold (or $7), and all five wings run $25. Check out our recent piece for a simple run-down.